Adobe Acrobat enables you to edit, convert, sign, send, and manage PDF documents on Mac and Windows. With the recent addition of the Adobe Document Cloud, you can now work on PDFs across devices -- laptops, desktops, tablets, and smartphones.

Latest versions of Adobe Acrobat

The current version, Adobe Acrobat DC, works with OS X v10.9 and Windows 7 and above.

Acrobat Standard DC includes Acrobat Standard DC for Windows desktop, the Acrobat Reader mobile app, plus cloud services. It's $12.99 a month if you make a 12-month commitment, or you can pre-pay a year for $155.88. If you're commitment-shy, you can pay $22.99 per month.

Acrobat Pro DC includes Acrobat Pro DC for Windows and Macs, the Acrobat Reader mobile app, and cloud services. The Pro plan also lets you add or edit text in a PDF from your iPad and meet ISO and accessibility standards. Acrobat Pro DC is $14.99 with a 12-month commitment, or a $179.88 pre-pay. The third option is a month-to-month subscription for $24.99.

Wondershare's PDFelement ($69.99-$242.99) lets you modify text, images, and pages in your PDFs with advanced editing options, quickly batch-convert from or to PDF from popular file formats, and preserve original layouts. You can seamlessly complete and create personalized PDF forms with text fields, buttons, drop-down lists, and more. PDF encryption and password protection are also available.

Nitro Pro 10 ($159.99) allows you to create, convert, combine, edit, sign, and share PDFs. It also offers cloud integration to let you and other users manage the same document on different devices. Security-wise, you can password protect, restrict permissions, and encrypt PDFs; the Search and Redact feature enables you to wipe out sensitive data before anyone sees it.